NissanPartsDeal.com offers the wholesale prices for genuine 1987 Nissan Hardbody Pickup (D21) parts. Parts like Auto Speed Control Device are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.4L, 4 Cyl 2.5L Diesel, 6 Cyl 3.0L. Grade/Trim: Basic, DX, GST, SST, ST, STD.